If we are interested in something， our brain is_____and it is also easier for us to pay attention to it for a long time．（ ）
| A． |
active |
| B． |
more active |
| C． |
the most active |
What good news! Xiaogan West Station in Yunmeng in two years．（ ）
A．buildsB．will build
C．is builtD．will be built
With the help of the Internet， information can every corner of the world quickly．（ ）
A．getB．raiseC．reachD．turn
Square Dancing is good exercise for the old， sometimes it makes a lot of noise．（ ）
A．IfB．AlthoughC．UntilD．Because
Could you come and help with our book sale， Alice？
．（ ）
A．Never mindB．I think so
C．Sure， I'd love toD．Have a good time
Attention， please! Without permission， children are not allowed alone here．（ ）
A．to swimB．swimmingC．swimD．swam